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Finding the Fourth Proportional to 449,538.40, 673,432.80 and 249,500.80

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Solution

The fourth proportional to 449,538.40, 673,432.80 and 249,500.80 is: 373,765.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,538.40 : 673,432.80 = 249,500.80 : x
  2. Step 2: Convert to fraction form
    449,538.40/673,432.80 = 249,500.80/x
  3. Step 3: Cross multiply
    449,538.40x = 673,432.80 × 249,500.80
  4. Step 4: Simplify right side
    449,538.40x = 168,022,022,346.24
  5. Step 5: Solve for x
    x = 168,022,022,346.24/449,538.40
  6. Step 6: Final answer
    x = 373,765.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.